The Boulder Valley was first the home of Indians, primarily the Southern Arapaho tribe who maintained a village near Haystack Mountain. Utes, Cheyennes, Comanches, and Sioux were occasional visitors to the area.
Gold seekers established the first non-native settlement in Boulder County on October 17, 1858 at Red Rocks near the entrance to Boulder Canyon. Less than a year later, on February 10, 1859, the Boulder City Town Company was organized by A.A. Brookfield, the first president, and 56 shareholders. Four thousand forty-four lots were laid out at a purchase price of $1,000 each, a price that was later lowered in order to attract more residents.
Part of the Nebraska Territory until February 28, 1861, when the Territory of Colorado was created by the U.S. Congress, Boulder City grew slowly. It developed as a supply base for miners going into the mountains in search of gold and silver. Boulder City residents provided these miners with equipment, agricultural products, housing and transport services, and gambling and drinking establishments. Public Affairs Division, City of Boulder
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